4a Why was the Tet Offensive such a shock?
4b Note down two examples which show that the USA needed to increase its commitment to Vietnam if it was going to win the war there.
4c Select two examples which show the effect of the war on America.
4d What evidence is there that the USA was using all its might against North Vietnam?
4e In what ways were the American military being held back?
4f Does the tone of this source tell historians about the effects of the war on attitudes of the military leaders?
4g What clues does this source give about the relative strength of
Fill out the relevant line of your Case Study Worksheet.
Look at your answers to the questions on source 4.
What does Source 4 suggest about why the USA found it hard to get out of Vietnam?
Does it provide evidence of military, political or both types of factors?